TriCounty Manual High School girls basketball team, under the coaching of Dennis Brown, won the 1986 large high school State Basketball Championship. This State AA Championship team won 27 games while losing only 3. Because of his team's achievements, Dennis received special recognition. He was named IBCA Girls' High School AA Coach of the Year in 1986, and was assigned as Coach of the IBCA Girls AA All-Star Game in the same year. Dennis' high school girls basketball coaching record is 153 wins and 72 losses.
His first recognition in coaching basketball came when his 7th grade boys won a State Championship for Trewyn Junior High in 1977. In the same year, Dennis' heavyweight boys basketball team also won a State Championship. As a result, he was named IBCA Junior High North Coach of the Year.
Dennis is especially proud of the achievements of his athletes. Since 1983, he has had three players chosen for All-State, two players chosen by Street and Smith, Parade and Converse as All-Americans.